He said this words many times and I know this words are told by many people many times, but it had power by him who got success and still trying to do new things. Today’s children are afraid of making mistake too much, so they want to know answer at first. Answer is everything for them, but the most important point is the process to the answer. Current education system that don’t teach this simple concept is fucking useless. We have to have venture spirits and we have to have generous heart to people who made a mistake.